Freescale Semiconductor ColdFire MCF52210 - Manual (Page 252)

Universal Serial Bus, OTG Capable Controller
MCF52211 ColdFire® Integrated Microcontroller Reference Manual, Rev. 2
15-24 Freescale Semiconductor
15.4.1.16 BDT Page Register 1 (BDT_PAGE_01)
The Buffer Descriptor Table Page Register 1 contains an 8-bit value that is used to compute the address
where the current Buffer Descriptor Table (BDT) resides in system memory.
Figure 15-22 shows the BDT
Page Register 1.
IPSBAR
Offset:
0x1C_009C (BDT_PAGE_01)
Access: User read/write
7 6 5 4 3 2 1 0
R
BDT_BA15 BDT_BA14 BDT_BA13 BDT_BA12 BDT_BA11 BDT_BA10 BDT_BA9 NOT USED
W
Reset: 0 0 0 0 0 0 0 0
Figure 15-22. BDT_PAGE_01 Register
Table 15-26. BDT_PAGE_01 Field Descriptions
Field Description
7 – 1
BDT_
BA[15:8]
This 7 bit field provides address bits 15 through 9 of the BDT base address, which defines where the Buffer
Descriptor Table resides in system memory.
0
NOT USED
This bit is always zero. The 32-bit BDT Base Address is always aligned on 512 byte boundaries in memory.